Marking machine



June 25, 1935. o mg 2,006,302

MARKING MACHINE Filed Nov. 28, 1933 2 Sheets-Sheet l A lnvenTor.

. Chofles FRobb'ms ATTys.

C. F. ROBBINS MARKING MACHINE June 25, 1935.

2 sheets sheet 2 Filed Nov. 28, 1935 lnvenToT. Chofles F Robbins byWWX fPatented June 25, 1935 v i v :Marker'n Machine Company, Keene, N. H., a

corporation ofNew Hampshire ApplicationNovember 28, 1933, SerialN0..700,063 v i i i Claims. (Cl;101+-348) I f This invention relates "toprinting machines or application, Serial No., 674,551. The inking rollmarking machines of that class in which the ink receives its ink from aninking plate I2 ojverf is applied to the type characters of the printingwhich it rolls during thelast part of its rearward head through themedium of an ink roll. stroke which occurs when the printingnhe'ad is I,'5 Int'heoperation of a printingmachine of this in its lowered orprinting position, When the 5 type the continual rolling of the ink rollacross printing head is raised the carriage I0 is moved the typecharacters for inking the latter is apt forwardly along the ways llitocarry the inking to cause some portions of the surface of the rollunderneath and'across the'type characters ink roll to become matted downor compressed thereby inking the latter. This m ovement'of the h thusgiving the roll an uneven surface. carriage is secured through themedium of a 1'0 One of the objects of the present invention is suitableeccentric or cam. (n sh wn) o the topr'ovide novel means by which theused ink shaft 8, ,as illustrated in my said co-pending a'p-trolls formarking machines can be conditioned plicat on- The Shaft 3 iS d V driveand the surface thereof. brought back to substaning pulley l4throughsuitabledriving connections l5 tially its originalcondition. Iwhich include a clutch. i, e I In the drawingsz c, v "I g The inkingrolls 9 which aroused in printing Fig; l is a side view of a markingmachine machines of this type usually have a feltsurface having myimproved-ink roll conditioner applied which absorbs ink as the rollis'rolledoverl the e eto; v e I a inking plate i2. After continued usethe portions Fig.2 isa section 'on the lineiL-Z, Fig. 1; v of the feltsurface of the ink roll which engage 20 Figfa is a top plan view ofFig.. 1 with a part the type'characters: for inking. the latterjfreebroken out; e V I quenly gets matted down or compressed so that i Fig; 4is a section onthe line 4.-4, Fig. 2; A when the ink roll isrolled overthe inkinglplate v While the ink roll conditioner herein described l2such matted-down or compressed portions a e i is applicable; forconditioning ink; rollsin various I101? p p y d, W th the result thatthe ink 25 markingmachines. yet for convenience I have W 0 function p pyq shown it as used in connection with" a marking The j o thepresehtiinvehtioni t0 P 1 machine such as is illustrated inmy(Io-pending vide means for conditioning worn inkrolls so, as

H application, Serial No.'674,551, filed June 6, 1933, to br g them backagain into a suitable condition pf which this application is a,division, for use. This conditioning operation isaccom- 30 The markingmachine herein illustrated is plished by subjec the used fi 'k 1 formedwith a" main frame I having th b to the action of ironingrolls whichserve to level portion 2 which carries the usual WQrk-suppbrtup thesurface of a worn. ink roll and also serve ing' plate 3'on'which thework to be int is to thoroughly distribute ink over the surface suphlfted. The printing head is indicated genthereof. .The conditioningdevice is in the form erally 'at 4- and it is provided with a pluralitof an attachment secured to the printingmaof a djustable'type wheels 5each carrying at its, Chine and Operated m h driving. P y lsurface'aplurality'of type characters. The printor some other suitable vg part? f t av ing head is carriedby a swinging arm B pivoted chine:This conditifining attachment comprises 40 to the mainframe l and ismovable toward'and a u g. 16 which i d, to 's de o t e v from the platenas usual in printingmachines of machine b suitable clamping bolts l1,sai b s this general type. i j 7 e extending through arms or lugs I8with'which The verticalmovement of the printing head the h sing I6 is pV Mounted n he b01115,-

maybe provided for in various ways. As herein ing I6 is a posit v lyr vn r 9.

shownthe lever arm 6 has a toggle lever 1 conp f y having ametallic u ad a c 45 nected thereto and the rising and fallin moveoperatingconditioning roll 20, between which ment of the printinghead 4 isaccomplished by rolls the ink rolls 9 to be conditioned-may be thebreaking andstra ightening toggle I, this placed. v e n I beingdon'e bymeans of a suitable'eccentric;car- The lower conditioning ro1l'l9isshown as fast & ried on the driving shaft 8. f on ashaft 2| journalledin bearings 22 with which The type characters are inked through th thehousing I6 is provided and said'shaftjl has a operation or an inkingroll 9 which is mounted pulley 23 thereon which is connectedjbyabelt 2 4in 1 a; carriage III that slides back and "forth in h'a p lley 2 fast ona countershaft 25 t is ways! that are formed onthe arm a, this being iou'nalled i bea i s mounted on h ih us e the construction illustrated insaidco-pending i6; Thecountershaft 26 has a P11 3 28 "there/0h rollswill rest on the positively-driven conditioning roll l9. v v

The housing 4 I6 is shown as provided with a cover or door 34 which ispivoted to the housing at 35 and which'may be swung upwardly about itspivot 35 to give access to the housing, said cover having the handle 36for convenience in manipulating it. The upper conditioning roll2qis v tt I printing machines comprising a fixed supporting member, aconditioning roll rotatably mounted t ee n s wee r i s WW WPWWQE shownas rotatively mounted in the door or cover 34. For this purpose saiddoor or coveris'form'ed with two, dfipending flanges 31 and the roll 20is fproyided with aspin le or shaft 38 which isj .lled in 'theseflan es:1.

cans are provided for giving the roll 20 a rec roca vem nt e ect en o slens li so tha u th en i in pe at n theink irolls will havea rollingcontact with th e PQS1tiveIydriven i011 191 while the upper conditioningroll zq-wiilbe moved back and forth in the direction of the length qtthe'ink rolls and produce a rubbing'and ironing effect. While jx' sir,able m nsfor g in the u p ing roli 20, its reciprocating movement may1?? m lo ee $1mr me ns1s ere lus ted The shaft or'spindle'38 of'theupperr911 23 extm sbwwd the ut le' e 'fl e ove 34 an hasa grooved pulleythereon. The shaft 2 0 be ower dn it b i ne 9 1. t' as, as? were 0 "adis 19 wh h u e? a an angle o t x sh ttsotha jas he h ota s-Sa d disk tese gob ling-moti w the cover 34 closedthe upper edge of this disk'isreceived in the ie qqve i th p ey 3 9. and as shaft II, 'tetf d th Wheein me q i he. di 4? p tiuce sa reciprocating mptionof the shaft 38 inthe direction of its len th'and also tends to rotate he Pu le 3.9. andhe 1011 .9

"4!, indicates two centering springs which encircle ashaft or spindle oneach side of. the roll 39, each spring being confinedbetween the new a ue ins fla 3 s he r ts i i fiq'qatd betw en he f ll n e d t linepositions Fig. 2 by the wo b in motion of Iltwillbenoted that the upperconditioning roll Z is carried the'cover 1 84. When the cover isinclosed position with the uplir co'ndlti eins ell?! res i n he i rolls9 he weightof the cover 32 on the upper conditioning roll n is receivedbythe ink rolls, and, therefore,

tore, serves notflonly as a conditioning device for conditioning therolls but also as areceptacle for sp re ink r 1 it is possible also touse this device as means therolls, If, for instance, a small meaty 9 iiss d sitter 9 the ent disk 4Q the 'isprings 4! are alternatelycomditioning rolls the co-operation of said rolls with the inking rollwill serve to distribute this ink thoroughly onto the inking roll.

The conditioning roll l9 has a rolling contact with the inking rolls 9while the upper condi-v tioning roll has a rubbing contact with the inkrolls in the direction of their length and this combined action servesnot only to smooth, out and conditionthe; ink rolls hut algogt?git'tribute the ink evenly over the surface of e n -rolls.

43 indicates a spring latch having a notch 44 adapted to engage a pin 45on the cover when the latter is opened, said latch serving thus to holdthe cover in its raised or open position. The latch 43 isact'ednon by aspring 46 which yieldingly holds it in engagement with the pin 45.

ink roll 'c nditioning attachment for o s bver in an i k. oll f, a mom:mm, ,v in aposition re ting on he condition roll} said means permitting;ady removal andrepl acee ment 01? the m1; r 11; iseeoqd e me ns sumi inthefsa;

, g t rest on, he, ink r.oll,. said,mean providing therein,saidsupporting member l having means for supporting an ink rollotaprinting machine in a Position e t n o thes ndltiqninsi e gQ1 m a e"may easel eed: meme merit 'of the ink roll, a member pivotallg con ,v ln th 1 m n mem er subheadimne' r 1 j e i qth b eed eseb edl s on t nkr011, andmeen tene s-enact the 3 conditioning rolls and to: i.reciprocate: the t other r011v in'thedirectign otfthe ie gtii; ink r011.p t

' v3. An ink-roll conditioning attachmen printing machines comprising ahousing; a con ditioning roll' journalled thereiri, said housi nghavingmeans for supporting ink IIOILJQIQQ printing machine in apositionresting onthe conditioning roll and l ermittingfsaid,ink rqllto b m edflqr e lete1 an: ernivqted t0 ha ns a second qn mn 01 iQW- nalled inthe/cover and, adapted, to rest the ink roll; means for positivelyrotating none 01- the conditioning rolls, and means ifor reciprocatingthe o he k beqi p ns .roll nt hee t on. of the length of theink roli. w

4. An ink 1 roll conditioningttaehtnent ion: printing machinescomprising a "ed sun ortin member, a conditioning roll rptetably mountedtherein, said suppo tin membe -hav means x for supportin an k o o sprntin machine in a p o r t n n t e. c ndi qmnsmll said me pe mi i rea yemW lendmnmcement 9f th i k aj e n pnd iv i smllemeans supporting thesame in positiqntorest on, the ink, roll, said means providing iorseparatipn otthe second conditioning roll from the ink roll: topere mitthe latter to be removed from the supporting member or to be replacedtherein, ,means t 'i'Q- tate thefirs tne ed enditiomne r911, and-meanstor w actuated thereby to reciprocate the other conditioning roll in thedirection of the length of the ink r011. i

5. An ink r011 conditioning attachment for printing machines comprisinga housing, a conditioning roll journalled therein, said housing havingmeans for supporting an ink roll of a printing machine in a positionresting on the conditioning roll and permitting said ink roll to beremoved or replaced, a cover member pivoted to the housing, a secondconditioning roll journailed in the cover and adapted to hasten theink'roll, means to rotate the first-named conditioning roll, and meansactuated thereby to reciprocate the other conditioning roll in thedirection of the length of the ink roll. 7

CHARLES F. ROBBINS.

